Salkehatchie River Basin

The Department's Salkehatchie River Basin is subdivided into 18 watersheds or hydrologic units within South Carolina, which include the Salkehatchie River Basin, the Coosaw River/Ashepoo River/St. Helena Sound Basin, the Broad River/Beaufort River/Port Royal Sound Basin, and the Salkehatchie Coastal Frontage Basin. The Salkehatchie River Basin is subdivided into 6 watersheds and includes the Salkehatchie River, Whippy Swamp, Lemon Creek, and the Little Salkehatchie River. The Coosaw River/Ashepoo River/St. Helena Sound Basin is subdivided into 5 watersheds and includes the Combahee River, Great Swamp, Horseshoe Creek, Ashepoo River, Coosaw River, and St. Helena Sound.

The Broad River/Beaufort River/Port Royal Sound Basin is subdivided into 6 watersheds and includes Black Creek, the Coosawhatchie River, Cypress Creek, the Beaufort River, the Broad River, and Port Royal Sound. The Salkehatchie Coastal Frontage Basin is contained in a watershed and includes Trenchards Inlet, Fripp Inlet, and the Harbor River.